- Ethics — Part 3
- The Holy war, made by King Shaddai upon Diabolus, for the regaining of the metropolis of the world; ...
- The Critique of Pure Reason
- The Golden Sayings of Epictetus
- The Essays of Montaigne — Volume 01
- Discours de la méthode
- Insights and Heresies Pertaining to the Evolution of the Soul
- Filosofía Fundamental, Tomo II
- Fundamental Principles of the Metaphysic of Morals
- The Metaphysical Elements of Ethics
- Aphorismes sur la sagesse dans la vie
- How to Observe
- The Essays of Montaigne — Volume 02
- An Enquiry Concerning Human Understanding
- Discourse on the Method of Rightly Conducting One's Reason and of Seeking Truth in the Sciences
- Letters to His Son on the Art of Becoming a Man of the World and a Gentleman, 1751
- Filosofía Fundamental, Tomo IV
- On Compromise
- The Philosophy of Evolution
- The Faith of Our Fathers
- Essays
- How To Behave: A Pocket Manual of Republican Etiquette, and Guide to Correct Personal Habits
- A Philosophical Dictionary, Volume 1
- Betrachtungen über die Grundlagen der Philosophie
- Letters to His Son on the Art of Becoming a Man of the World and a Gentleman, 1753-54
- The Consolation of Philosophy
- Ethics — Part 1
- Guide to Stoicism
- La philosophie sociale dans le theatre d'Ibsen
- An Enquiry Concerning the Principles of Taste, and of the Origin of our Ideas of Beauty, etc.
- The Existence of God
- Autour de la table
- Philosophical Letters of Frederich Schiller
- Philosophical Letters of Frederich Schiller
- Evening Round Up
- Devereux — Volume 01
- Walden
- Notes from the Underground
- The Physiology of Marriage, Part 2
- Esprit des lois
- A Philosophical Dictionary, Volume 4
- Dialogues Concerning Natural Religion
- The Philosophy of Spinoza
- The Preface to Aristotle's Art of Poetry
- Filosofía Fundamental, Tomo I
- A Treatise of Human Nature
- Banquet du 17 janvier 1841
- Studies in Pessimism
- Experiments and Considerations Touching Colours (1664)
- A System of Logic: Ratiocinative and Inductive
- The Essays of Montaigne — Complete
- Civil Disobedience
- Improvement of the Understanding
- Reflections; or Sentences and Moral Maxims
- Essays of Schopenhauer
- The Philosophy of the Moral Feelings
- The Prince
- Ethics — Part 2
- The Young Woman's Guide
- The Republic
- Utilitarianism
- La monadologie (1909)
- Quotes and Images From The Confessions of J. J. Rousseau
- Entretien d’un père avec ses enfants
- L’Ingénu
- On the Duty of Civil Disobedience
- Is Life Worth Living?
- A Treatise Concerning the Principles of Human Knowledge
- Rollo's Philosophy. [Air]
- Catherine De Medici
- Beyond Good and Evil
- Ethics — Part 4
- Essays
- The Selections from the Principles of Philosophy
- Ceci n'est pas un conte
- Theodicy
- Politics: A Treatise on Government
- The Critique of Practical Reason
- Ethica. English
- Ethics — Part 5
- A Philosophical Dictionary, Volume 10
- Auguste Comte and Positivism
- Réflexions ou sentences et maximes morales
- Literary and Philosophical Essays: French, German and Italian
- The Symposium
- The Ruins, or, Meditation on the Revolutions of Empires and the Law of Nature
- Review of the Work of Mr John Stuart Mill Entitled, 'Examination of Sir William Hamilton's Philosoph...
- A Essay Towards a New Theory of Vision
- The Ego and His Own
- El Criterio
- The System of Nature, Volume 1
- The System of Nature, Volume 2
- Chinese Literature
- Old-Fashioned Ethics and Common-Sense Metaphysics
- L'homme Qui Rit
- The Commonwealth of Oceana
- Littérature et Philosophie mêlées